Merge changes Ic36b01cd,I522b2062,I683275d7 am: 3a33ee20e9 am: ff23c9b653
am: 010acdfa1b

* commit '010acdfa1bc369aa018fcf025903b8fb62e5142e':
  Make gradle wrapper executable
  Cleanup unused items & lint warnings
  Mopria HP Printer Recommendation Example

Change-Id: I611ec13bc1d74809cdf9663ab963c4c318f45a87